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 ###Instrução: Quais passageiros têm transportadoras da Air Canada?
 ###Tabelas: CREATE TABLE statistics (statistics_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Airport VARCHAR, Metropolitan area VARCHAR, Passengers INT, Carriers VARCHAR) CREATE TABLE south_korea (south_korea_id AUTO_INCREMENT PRIMARY KEY, AIRLINE VARCHAR, ICAO VARCHAR, IATA VARCHAR, CALLSIGN VARCHAR, COMMENCED OPERATIONS VARCHAR) CREATE TABLE singles:_21_10_titles_11_runner-ups (singles:_21_10_titles_11_runner-ups_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Date VARCHAR, Tournament VARCHAR, Surface VARCHAR, Opponent VARCHAR, Score VARCHAR) CREATE TABLE virginia_counties_and_cities_ranked_by_per_capita_income (virginia_counties_and_cities_ranked_by_per_capita_income_id AUTO_INCREMENT PRIMARY KEY, County or City VARCHAR, Per capita income VARCHAR, Median household income VARCHAR, Median family income VARCHAR, Population INT, Number of households INT) CREATE TABLE season_two_2009 (season_two_2009_id AUTO_INCREMENT PRIMARY KEY, Series # INT, Episode # INT, Title VARCHAR, Written by VARCHAR, Directed by VARCHAR, Viewers INT, Original airdate VARCHAR)  
SELECT Passengers FROM statistics WHERE Carriers = air canada